refactor(dart/transform): Test `directive_linker` as a unit

Formerly, it was tested only as a piece of the transformer pipeline. Add
its own directory and test the linker on its own.

modules/angular2/test/transform/directive_linker/all_tests.dart

@@ -0,0 +1,52 @@
+library angular2.test.transform.directive_linker.all_tests;
+
+import 'package:barback/barback.dart';
+import 'package:angular2/src/transform/common/logging.dart' hide init;
+import 'package:angular2/src/transform/common/formatter.dart' hide init;
+import 'package:angular2/src/transform/directive_linker/linker.dart';
+import 'package:code_transformers/tests.dart';
+import 'package:dart_style/dart_style.dart';
+import 'package:path/path.dart' as path;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/vm_config.dart';
+
+import '../common/logger.dart';
+import '../common/read_file.dart';
+
+var formatter = new DartFormatter();
+
+void allTests() {
+  var reader = new TestAssetReader();
+  setLogger(new NullLogger());
+
+  test('should ensure that dependencies are property chained.', () async {
+    for (var inputPath in [
+      'bar.ng_deps.dart',
+      'foo.ng_deps.dart',
+      'index.ng_deps.dart'
+    ]) {
+      var expected =
+          readFile('directive_linker/simple_files/expected/$inputPath');
+      inputPath = 'directive_linker/simple_files/$inputPath';
+      var actual = formatter
+          .format(await linkNgDeps(reader, new AssetId('a', inputPath)));
+      expect(actual, equals(expected));
+    }
+  });
+
+  test('should ensure that exported dependencies are property chained.',
+      () async {
+    for (var inputPath in [
+      'bar.ng_deps.dart',
+      'foo.ng_deps.dart',
+      'index.ng_deps.dart'
+    ]) {
+      var expected =
+          readFile('directive_linker/simple_export_files/expected/$inputPath');
+      inputPath = 'directive_linker/simple_export_files/$inputPath';
+      var actual = formatter
+          .format(await linkNgDeps(reader, new AssetId('a', inputPath)));
+      expect(actual, equals(expected));
+    }
+  });
+}

modules/angular2/test/transform/directive_linker/simple_export_files/bar.ng_deps.dart

@@ -0,0 +1,17 @@
+library bar;
+
+import 'bar.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+export 'foo.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(MyComponent, {
+      'factory': () => new MyComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[soup]')]
+    });
+}

modules/angular2/test/transform/directive_linker/simple_export_files/expected/bar.ng_deps.dart

@@ -0,0 +1,20 @@
+library bar;
+
+import 'bar.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+import 'foo.ng_deps.dart' as i0;
+
+export 'foo.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(MyComponent, {
+      'factory': () => new MyComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[soup]')]
+    });
+  i0.setupReflection(reflector);
+}

modules/angular2/test/transform/directive_linker/simple_export_files/expected/index.ng_deps.dart

@@ -3,7 +3,7 @@ library web_foo;
 import 'package:angular2/src/core/application.dart';
 import 'package:angular2/src/reflection/reflection_capabilities.dart';
 import 'bar.dart';
-import 'a:web/bar.ng_deps.dart' as i0;
+import 'bar.ng_deps.dart' as i0;
 
 bool _visited = false;
 void setupReflection(reflector) {

modules/angular2/test/transform/directive_linker/simple_export_files/foo.ng_deps.dart

@@ -0,0 +1,16 @@
+library foo;
+
+import 'foo.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(DependencyComponent, {
+      'factory': () => new DependencyComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[salad]')]
+    });
+}

modules/angular2/test/transform/directive_linker/simple_export_files/index.ng_deps.dart

@@ -4,7 +4,8 @@ import 'package:angular2/src/core/application.dart';
 import 'package:angular2/src/reflection/reflection_capabilities.dart';
 import 'bar.dart';
 
-void main() {
+bool _visited = false;
-  reflector.reflectionCapabilities = new ReflectionCapabilities();
+void setupReflection(reflector) {
-  bootstrap(MyComponent);
+  if (_visited) return;
+  _visited = true;
 }

modules/angular2/test/transform/directive_linker/simple_files/bar.ng_deps.dart

@@ -0,0 +1,20 @@
+library bar;
+
+import 'bar.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+import 'foo.dart' as dep;
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(MyComponent, {
+      'factory': () => new MyComponent(),
+      'parameters': const [],
+      'annotations': const [
+        const Component(
+            selector: '[soup]', services: const [dep.DependencyComponent])
+      ]
+    });
+}

modules/angular2/test/transform/directive_linker/simple_files/expected/foo.ng_deps.dart

@@ -0,0 +1,16 @@
+library foo;
+
+import 'foo.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(DependencyComponent, {
+      'factory': () => new DependencyComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[salad]')]
+    });
+}

modules/angular2/test/transform/directive_linker/simple_files/expected/index.ng_deps.dart

@@ -0,0 +1,13 @@
+library web_foo;
+
+import 'package:angular2/src/core/application.dart';
+import 'package:angular2/src/reflection/reflection_capabilities.dart';
+import 'bar.dart';
+import 'bar.ng_deps.dart' as i0;
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  i0.setupReflection(reflector);
+}

modules/angular2/test/transform/directive_linker/simple_files/foo.ng_deps.dart

@@ -0,0 +1,16 @@
+library foo;
+
+import 'foo.dart';
+import 'package:angular2/src/core/annotations/annotations.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(DependencyComponent, {
+      'factory': () => new DependencyComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[salad]')]
+    });
+}

modules/angular2/test/transform/directive_linker/simple_files/index.ng_deps.dart

@@ -0,0 +1,11 @@
+library web_foo;
+
+import 'package:angular2/src/core/application.dart';
+import 'package:angular2/src/reflection/reflection_capabilities.dart';
+import 'bar.dart';
+
+bool _visited = false;
+void setupReflection(reflector) {
+  if (_visited) return;
+  _visited = true;
+}

modules/angular2/test/transform/integration/all_tests.dart

@@ -96,17 +96,6 @@ void allTests() {
         outputs: {
       'a|web/bar.ng_deps.dart':
           'two_annotations_files/expected/bar.ng_deps.dart'
-    }),
-    new IntegrationTestConfig(
-        'should ensure that dependencies are property chained.',
-        inputs: {
-      'a|web/index.dart': 'chained_deps_files/index.dart',
-      'a|web/foo.dart': 'chained_deps_files/foo.dart',
-      'a|web/bar.dart': 'chained_deps_files/bar.dart'
-    },
-        outputs: {
-      'a|web/bar.ng_deps.dart': 'chained_deps_files/expected/bar.ng_deps.dart',
-      'a|web/foo.ng_deps.dart': 'chained_deps_files/expected/foo.ng_deps.dart'
     })
   ];
 

modules/angular2/test/transform/integration/chained_deps_files/bar.dart

@@ -1,9 +0,0 @@
-library bar;
-
-import 'package:angular2/src/core/annotations/annotations.dart';
-import 'foo.dart' as dep;
-
-@Component(selector: '[soup]', services: const [dep.DependencyComponent])
-class MyComponent {
-  MyComponent();
-}

modules/angular2/test/transform/integration/chained_deps_files/foo.dart

@@ -1,8 +0,0 @@
-library foo;
-
-import 'package:angular2/src/core/annotations/annotations.dart';
-
-@Component(selector: '[salad]')
-class DependencyComponent {
-  DependencyComponent();
-}

modules/angular2/test/transform/transform.server.spec.dart

@@ -4,6 +4,7 @@ import 'package:unittest/unittest.dart';
 import 'package:unittest/vm_config.dart';
 
 import 'bind_generator/all_tests.dart' as bindGenerator;
+import 'directive_linker/all_tests.dart' as directiveLinker;
 import 'directive_processor/all_tests.dart' as directiveProcessor;
 import 'integration/all_tests.dart' as integration;
 import 'reflection_remover/all_tests.dart' as reflectionRemover;
@@ -12,6 +13,7 @@ import 'template_compiler/all_tests.dart' as templateCompiler;
 main() {
   useVMConfiguration();
   group('Bind Generator', bindGenerator.allTests);
+  group('Directive Linker', directiveLinker.allTests);
   group('Directive Processor', directiveProcessor.allTests);
   group('Reflection Remover', reflectionRemover.allTests);
   group('Template Compiler', templateCompiler.allTests);